|Name|Term start|Term end|
|---|---|---|
|Pier Ruggero Piccio|1 January 1926|6 February 1927|
|Armando Armani|10 February 1927|13 October 1928|
|Giuseppe Valle|22 February 1930|23 November 1933|
|Antonio Bosio|23 November 1933|22 March 1934|
|Giuseppe Valle|22 March 1934|10 November 1939|
|Francesco Pricolo|10 November 1939|15 November 1941|
|Rino Corso Fougier|15 November 1941|27 July 1943|
|Renato Sandalli|27 July 1943|18 June 1944|
|Pietro Piacentini|19 June 1944|13 December 1944|
|Mario Ajmone Cat|13 December 1944|5 February 1951|
|Aldo Urbani|5 February 1951|10 November 1955|
|Ferdinando Raffaelli|10 November 1955|1 February 1958|
|Silvio Napoli|1 February 1958|1 September 1961|
|Aldo Remondino|1 September 1961|28 February 1968|
|Duilio S. Fanali|28 February 1968|1 November 1971|
|Vincenzo Lucertini|1 November 1971|27 February 1974|
|Dino Ciarlo|27 February 1974|20 June 1977|
|Alessandro Mettimano|20 June 1977|1 April 1980|
|Lamberto Bartolucci|2 April 1980|12 October 1983|
|Basilio Cottone|19 October 1983|17 September 1986|
|Franco Pisano|18 September 1986|15 April 1990|
|Stelio Nardini|16 April 1990|24 March 1993|
|Adelchi Pillinini|25 March 1993|3 June 1995|
|Mario Arpino|4 June 1995|5 February 1999|
|Andrea Fornasiero|5 February 1999|5 August 2001|
|Sandro Ferracuti|5 August 2001|4 August 2004|
|Leonardo Tricarico|5 August 2004|19 September 2006|
|Vincenzo Camporini|19 September 2006|30 January 2008|
|Daniele Tei|30 January 2008|25 February 2010|
|Giuseppe Bernardis|25 February 2010|25 February 2013|
|Pasquale Preziosa|25 February 2013|Incumbent|

Question: how many people had terms in the 1970s?
Answer: 4